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From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>, RCU <rcu@vger.kernel.org>,
	"Paul E . McKenney" <paulmck@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Michal Hocko <mhocko@suse.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Theodore Y . Ts'o" <tytso@mit.edu>,
	Joel Fernandes <joel@joelfernandes.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Uladzislau Rezki <urezki@gmail.com>,
	Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>,
	Will Deacon <will@kernel.org>
Subject: [PATCH 07/16] locking/bitspinlock: Cleanup PREEMPT_COUNT leftovers
Date: Thu, 29 Oct 2020 17:50:10 +0100	[thread overview]
Message-ID: <20201029165019.14218-7-urezki@gmail.com> (raw)
In-Reply-To: <20201029165019.14218-1-urezki@gmail.com>

From: Thomas Gleixner <tglx@linutronix.de>

CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
 include/linux/bit_spinlock.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h
index bbc4730a6505..1e03d54b0b6f 100644
--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -90,10 +90,8 @@ static inline int bit_spin_is_locked(int bitnum, unsigned long *addr)
 {
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
 	return test_bit(bitnum, addr);
-#elif defined CONFIG_PREEMPT_COUNT
-	return preempt_count();
 #else
-	return 1;
+	return preempt_count();
 #endif
 }
 
-- 
2.20.1


  parent reply	other threads:[~2020-10-29 16:51 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 16:50 [PATCH 01/16] rcu/tree: Add a work to allocate pages from regular context Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 02/16] lib/debug: Remove pointless ARCH_NO_PREEMPT dependencies Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 03/16] preempt: Make preempt count unconditional Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 04/16] preempt: Cleanup PREEMPT_COUNT leftovers Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 05/16] lockdep: " Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 06/16] mm/pagemap: " Uladzislau Rezki (Sony)
2020-10-29 20:57   ` Uladzislau Rezki
2020-10-29 21:26     ` Paul E. McKenney
2020-10-29 21:03   ` kernel test robot
2020-10-29 21:21   ` kernel test robot
2020-10-30  2:36   ` kernel test robot
2020-10-29 16:50 ` Uladzislau Rezki (Sony) [this message]
2020-10-29 16:50 ` [PATCH 08/16] uaccess: " Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 09/16] sched: " Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 10/16] ARM: " Uladzislau Rezki (Sony)
2020-10-29 16:50   ` Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 11/16] xtensa: " Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [Intel-gfx] [PATCH 12/16] drm/i915: " Uladzislau Rezki (Sony)
2020-10-29 16:50   ` Uladzislau Rezki (Sony)
2020-10-29 16:50   ` Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 13/16] rcutorture: " Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 14/16] preempt: Remove PREEMPT_COUNT from Kconfig Uladzislau Rezki (Sony)
2020-10-29 16:50 ` [PATCH 15/16] rcu/tree: Allocate a page when caller is preemptible Uladzislau Rezki (Sony)
2020-11-03 18:03   ` Joel Fernandes
2020-11-04 11:39     ` Uladzislau Rezki
2020-11-04 14:36       ` Joel Fernandes
2020-10-29 16:50 ` [PATCH 16/16] rcu/tree: Use delayed work instead of hrtimer to refill the cache Uladzislau Rezki (Sony)
2020-10-29 19:47   ` Paul E. McKenney
2020-10-29 20:13     ` Uladzislau Rezki
2020-10-29 20:22       ` Uladzislau Rezki
2020-10-29 20:33         ` Paul E. McKenney
2020-10-29 21:00           ` Uladzislau Rezki
2020-11-03 15:47 ` [PATCH 01/16] rcu/tree: Add a work to allocate pages from regular context Joel Fernandes
2020-11-03 16:33   ` Uladzislau Rezki
2020-11-03 19:18     ` Paul E. McKenney
2020-11-04 12:35       ` Uladzislau Rezki
2020-11-04 14:12         ` Paul E. McKenney
2020-11-04 14:40           ` Uladzislau Rezki
2020-11-03 17:54 ` Joel Fernandes
2020-11-04 12:12   ` Uladzislau Rezki
2020-11-04 15:01     ` Joel Fernandes
2020-11-04 18:38       ` Uladzislau Rezki

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